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SELECTED CONSOLIDATED STATEMENTS OF INCOME (LOSS) DATA (Schedule of Earnings (Loss) Per Share) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
SELECTED STATEMENTS OF OPERATIONS DATA [Abstract]      
From continuing operations $ 6,801 $ (5,340) $ (52,134)
From discontinued operations (200)
Net income (loss) available to holders of Ordinary shares $ 6,801 $ (5,340) $ (52,334)
Denominator (number of shares in thousands):      
Weighted average number of shares 54,680,822 51,970,458 45,026,069
Add-employee stock options 171,000 [1] [1]
Adjusted weighted average shares assuming exercise of options 54,851,967 51,970,458 45,026,069
[1] Anti-dilutive